> 3. Is there a link (image to image) utility so one can > compare pixel-by-pixel 2 images of the region but with a > different date of acquisition? I try with i.spectral but I > don't know how to load an image to the monitor which is > selected to choose a location. Any ideas?
>>The map calculator (r.mapcalc) is perfect for this. Create a difference map. >>r.mapcalc 'diffmap=map1 - map2' >>(or pick map calculator from the raster menu) >>Then apply the difference color table to the map, using r.colors (raster->manage map colors->color tables) About this link "tool"... I think my description was not clear enough! I mean something like the link tool in ERDAS Imagine or in ENVI! Wouldn't it be useful? BTW: Thanks to all for the replies. It really gives a good feeling to beginners to stick-on -- View this message in context: http://www.nabble.com/More-QUESTIONS-%21--tf4731979.html#a13561150 Sent from the Grass - Users mailing list archive at Nabble.com. _______________________________________________ grassuser mailing list grassuser@grass.itc.it http://grass.itc.it/mailman/listinfo/grassuser
